Thomas of Brotherton, 1st Earl of Norfolk

Thomas of Brotherton, 1st Earl of Norfolk (1 June 1300-4 August 1338) was Earl of Norfolk from 1312 to 1338, preceding Margaret; he also served as Lord Marshal of England from 1316 to 1338, succeeding Nicholas Seagrave and preceding Margaret.

Biography
Thomas of Brotherton was born in Brotherton, Yorkshire, England in 1300, the son of Edward I of England and Margaret of France. In 1312, he was titled "Earl of Norfolk" by his brother Edward II of England, and the royal favorite Hugh Despenser stole some of the young earl's lands. In 1326, he sided with Isabella of France and Roger Mortimer when they invaded England, and he became a principal advisor to King Edward III of England during his reign. It was in his capacity as Earl Marshal that he commanded the right wing of the English army at the Battle of Halidon Hill in 1333, and he died in 1338.